Compare 1238 vs 1242
| Property | 1238 | 1242 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 5 |
| Prime factorization | 21 × 6191 | 21 × 33 × 231 |
| Prime factorization | 2 × 619 | 2 × 3 × 3 × 3 × 23 |
| Divisors count | 4 | 16 |
| Divisors | 1, 2, 619, 1238 | 1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 621, 1242 |
| Number of properties | 1 | 0 |
| Semiprimes | 364th | |
| Roman numberals | MCCXXXVIII | MCCXLII |
| Base 2 | 100110101102 | 100110110102 |
| Base 3 | 12002123 | 12010003 |
| Base 4 | 1031124 | 1031224 |
| Base 5 | 144235 | 144325 |
| Base 6 | 54226 | 54306 |
| Base 7 | 34167 | 34237 |
| Base 8 | 23268 | 23328 |
| Base 9 | 16259 | 16309 |
| Base 10 | 123810 | 124210 |
| Base 11 | a2611 | a2a11 |
| Base 12 | 87212 | 87612 |
| Base 13 | 74313 | 74713 |
| Base 14 | 64614 | 64a14 |
| Base 15 | 57815 | 57c15 |
| Base 16 | 4d616 | 4da16 |